diff --git a/db/routines/vn/procedures/invoiceIn_booking.sql b/db/routines/vn/procedures/invoiceIn_booking.sql
index 4d6056bc4..4b015750f 100644
--- a/db/routines/vn/procedures/invoiceIn_booking.sql
+++ b/db/routines/vn/procedures/invoiceIn_booking.sql
@@ -57,7 +57,7 @@ BEGIN
 				LEFT JOIN sage.taxType tt ON tt.id = ti.CodigoIva
 			WHERE ii.id = vSelf;
 
-	SELECT YEAR(bookEntried) INTO vFiscalYear FROM tInvoiceIn;
+	SELECT YEAR(bookEntried) INTO vFiscalYear FROM tInvoiceIn LIMIT 1;
 	CALL ledger_next(vFiscalYear, vBookNumber);
 
 	-- Apunte del proveedor
diff --git a/db/routines/vn/procedures/invoiceOutBooking.sql b/db/routines/vn/procedures/invoiceOutBooking.sql
index 9883d56fb..913035576 100644
--- a/db/routines/vn/procedures/invoiceOutBooking.sql
+++ b/db/routines/vn/procedures/invoiceOutBooking.sql
@@ -60,7 +60,7 @@ BEGIN
 			LEFT JOIN invoiceOut ior ON ior.id = ic.correctedFk
 			WHERE io.id = vInvoice;
 
-	SELECT YEAR(FECHA) INTO vFiscalYear FROM rs;
+	SELECT YEAR(FECHA) INTO vFiscalYear FROM rs LIMIT 1;
 	CALL ledger_next(vFiscalYear, vBookNumber);
 	-- Linea del cliente
 	INSERT INTO XDiario(
diff --git a/db/routines/vn/procedures/ledger_next.sql b/db/routines/vn/procedures/ledger_next.sql
index e2eb1bcee..36afccb33 100644
--- a/db/routines/vn/procedures/ledger_next.sql
+++ b/db/routines/vn/procedures/ledger_next.sql
@@ -4,54 +4,11 @@ CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`ledger_next`(
 	OUT vNewBookEntry INT
 )
 BEGIN
-	DECLARE vLastBookEntry INT;
-	DECLARE vHasStartTransaction BOOLEAN;
-
-	DECLARE EXIT HANDLER FOR SQLEXCEPTION
-		BEGIN
-
-		IF vHasStartTransaction THEN
-			ROLLBACK TO sp;
-			RESIGNAL;
-		ELSE
-			ROLLBACK;
-			CALL util.throw ('It has not been possible to generate a new ledger');
-		END IF;
-	END;
-
-	IF vFiscalYear IS NULL THEN
-		CALL util.throw('Fiscal year is required');
-	END IF;
-
-	SELECT @@in_transaction INTO vHasStartTransaction;
-
-	IF NOT vHasStartTransaction THEN
-		START TRANSACTION;
-	ELSE
-		SAVEPOINT sp;
-	END IF;
-
-	SELECT bookEntry INTO vLastBookEntry
-		FROM ledgerCompany
-		WHERE fiscalYear = vFiscalYear
-		FOR UPDATE;
-
-	IF vLastBookEntry IS NULL THEN 
-		INSERT INTO ledgerCompany
-			SET fiscalYear = vFiscalYear,
-				bookEntry = 1;
-	END IF;
-
-	SET vNewBookEntry = IFNULL(vLastBookEntry, 0) + 1;
-
-	UPDATE ledgerCompany
-		SET bookEntry = vNewBookEntry
+	UPDATE ledgerCompany  
+		SET bookEntry = LAST_INSERT_ID(bookEntry + 1)
 		WHERE fiscalYear = vFiscalYear;
 
-	IF vHasStartTransaction THEN
-		RELEASE SAVEPOINT sp;	
-	ELSE
-		COMMIT;
-    END IF;
+    SET vNewBookEntry = LAST_INSERT_ID();
 END$$
 DELIMITER ;
+
diff --git a/db/versions/11052-grayHydrangea/00-firstScript.sql b/db/versions/11052-grayHydrangea/00-firstScript.sql
index 8d1219d7e..76bdc7b10 100644
--- a/db/versions/11052-grayHydrangea/00-firstScript.sql
+++ b/db/versions/11052-grayHydrangea/00-firstScript.sql
@@ -1,8 +1,10 @@
 
-CREATE OR REPLACE TABLE vn.ledgerCompany (
+
+CREATE TABLE OR REPLACE `ledgerCompany` (
   `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
   `fiscalYear` int(10) unsigned NOT NULL COMMENT 'Año del ejercicio contable',
   `bookEntry` int(10) unsigned NOT NULL DEFAULT 1 COMMENT 'Contador asiento contable',
-  PRIMARY KEY (`id`)
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `ledgerCompany_unique` (`fiscalYear`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_unicode_ci 
   COMMENT='Contador para asientos contables';
\ No newline at end of file